FaVaa Posted December 28, 2004 Report Share Posted December 28, 2004 I'm needing a RF transmitter with a low cost, low power and a high range for a project. its an emergency any suggest I'll apreciate thanks Quote Link to comment Share on other sites More sharing options...
trigger Posted December 28, 2004 Report Share Posted December 28, 2004 Please give more details like:AM? FM?Transmit data? Audio? What is the data rate? Quote Link to comment Share on other sites More sharing options...
cardkicker Posted January 10, 2005 Report Share Posted January 10, 2005 maybee this will help... Quote Link to comment Share on other sites More sharing options...
Guest Alun Posted January 10, 2005 Report Share Posted January 10, 2005 cardkicker, nice circuit but you need to provide more information, what are the conponent values?Also Q1 & Q2 could be NPN transistors if you reversed the polarity of the 9V battery and C4. NPN transistors are easier to get hold of and they generally have better charicteristics than their PNP counterparts.This has already been discussed before:http://www.electronics-lab.com/forum/index.php?board=13;action=display;threadid=2332 Quote Link to comment Share on other sites More sharing options...
cardkicker Posted January 10, 2005 Report Share Posted January 10, 2005 sorry bought that butt i found the info for ya.If you want to take a look at the site i got that photo off of it has plenty to offer.Far as the mathametics go theres enough math there to hurt my head so her ya go http://www.aaroncake.net/circuits/index.asp knock your self out ;D Quote Link to comment Share on other sites More sharing options...
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